Standard Test Method for
Pilling Resistance and Other Related Surface Changes of
Textile Fabrics: Random Tumble Pilling Tester1

This standard is issued under the fixed designation D 3512; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope

1.1 This test method covers the resistance to the formation
of pills and other related surface changes on textile fabrics
using the random tumble pilling tester. The procedure is
generally applicable to all types of woven and knitted apparel
fabrics.
NOTE 1—For other test methods for the pilling resistance of textiles,
refer to Test Methods D 3511, D 3514, and D 4970.

1.2 Some fabrics that have been treated with a silicone resin
may not be satisfactorily tested by this procedure because the
silicone resin may transfer onto the cork liners in the test
chamber and cause erroneous results.

1.3 The values stated in either SI units or inch-pound units
are to be regarded separately as the standard. Within the text,
the inch-pound units are to be regarded as the standard. Within
the text, the inch-pound units are shown in parentheses. The
values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.
Combining values from the two systems may result in nonconformance with the specification.

1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

2.1 ASTM Standards:
D 123 Terminology Relating to Textiles2
D 1776 Practice for Conditioning and Testing Textiles 2
D 3511 Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Brush Pilling
Tester3
D 3514 Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Elastomeric Pad3

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